I have an issue with onSelectionChange function - it just stopped working for me.
function onSelectionChange(e) {
// Set background to red if a single empty cell is selected.
var range = e.range;
if(range.getNumRows() === 1
&& range.getNumColumns() === 1
&& range.getCell(1, 1).getValue() === "") {
range.setBackground("red");
}
}
Whatever do I put here it is not running. Even if it is just msgBox or something else. In Logger just after it triggers, it says "runtime 0 seconds" and I receive error "Maximum execution time exceeded". What's going on?